VISUAL AXIS VECTOR DETECTING METHOD AND DEVICE
PROBLEM TO BE SOLVED: To provide an improved method for detecting the direction of visual axis more easily and clearly by reducing assumptions. SOLUTION: The method for detecting the direction of visual axis is characterized by inclusion of a step for photographing a luminescent spot on a corneal by...
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| creator | KIMATA AKIHITO ADI SHAVIT SHAVIT DANA KNAAN DOTAN TAKAHASHI AKIO ICHIHASHI YOSHIO SUZUKI KAZUFUMI |
| description | PROBLEM TO BE SOLVED: To provide an improved method for detecting the direction of visual axis more easily and clearly by reducing assumptions. SOLUTION: The method for detecting the direction of visual axis is characterized by inclusion of a step for photographing a luminescent spot on a corneal by a camera by radiating the LED beam to the corneal simultaneously from two LED light sources disposed on the right and left sides of the camera, a step for finding planes including the positions of the LED light sources, the position of the camera and the spacial position of the photographed image of the luminescent spot, a step for finding the intersection line of the two planes, a step for finding the center of the corneal which is located on the intersection line and which satisfies a prescribed condition, and a step for finding the center of the pupil. COPYRIGHT: (C)2007,JPO&INPIT |
| format | Patent |
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SOLUTION: The method for detecting the direction of visual axis is characterized by inclusion of a step for photographing a luminescent spot on a corneal by a camera by radiating the LED beam to the corneal simultaneously from two LED light sources disposed on the right and left sides of the camera, a step for finding planes including the positions of the LED light sources, the position of the camera and the spacial position of the photographed image of the luminescent spot, a step for finding the intersection line of the two planes, a step for finding the center of the corneal which is located on the intersection line and which satisfies a prescribed condition, and a step for finding the center of the pupil. 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SOLUTION: The method for detecting the direction of visual axis is characterized by inclusion of a step for photographing a luminescent spot on a corneal by a camera by radiating the LED beam to the corneal simultaneously from two LED light sources disposed on the right and left sides of the camera, a step for finding planes including the positions of the LED light sources, the position of the camera and the spacial position of the photographed image of the luminescent spot, a step for finding the intersection line of the two planes, a step for finding the center of the corneal which is located on the intersection line and which satisfies a prescribed condition, and a step for finding the center of the pupil. COPYRIGHT: (C)2007,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING DIAGNOSIS ELECTRIC DIGITAL DATA PROCESSING HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS PHYSICS SURGERY TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR |
| title | VISUAL AXIS VECTOR DETECTING METHOD AND DEVICE |
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